[  414.250068] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  414.264932] br0: port 1(c1) entered blocking state
[  414.264966] br0: port 1(c1) entered disabled state
[  414.265002] c1: entered allmulticast mode
[  414.265046] c1: entered promiscuous mode
[  414.278907] br0: port 2(c2) entered blocking state
[  414.278942] br0: port 2(c2) entered disabled state
[  414.278975] c2: entered allmulticast mode
[  414.279018] c2: entered promiscuous mode
[  414.292731] br0: port 3(c3) entered blocking state
[  414.292770] br0: port 3(c3) entered disabled state
[  414.292808] c3: entered allmulticast mode
[  414.292849] c3: entered promiscuous mode
[  414.306693] br0: port 4(sender) entered blocking state
[  414.306724] br0: port 4(sender) entered disabled state
[  414.306754] sender: entered allmulticast mode
[  414.306812] sender: entered promiscuous mode
[  414.312128] br0: port 4(sender) entered blocking state
[  414.312159] br0: port 4(sender) entered forwarding state
[  414.312194] br0: port 3(c3) entered blocking state
[  414.312224] br0: port 3(c3) entered forwarding state
[  414.312257] br0: port 2(c2) entered blocking state
[  414.312293] br0: port 2(c2) entered forwarding state
[  414.312321] br0: port 1(c1) entered blocking state
[  414.312350] br0: port 1(c1) entered forwarding state
[  414.318565] Bridge firewalling registered
[  424.952658] br0: port 1(c1) entered disabled state
[  424.952823] c1 (unregistering): left allmulticast mode
[  424.952856] c1 (unregistering): left promiscuous mode
[  424.952905] br0: port 1(c1) entered disabled state
[  424.988601] br0: port 3(c3) entered disabled state
[  424.988686] br0: port 2(c2) entered disabled state
[  424.988856] c3 (unregistering): left allmulticast mode
[  424.988893] c3 (unregistering): left promiscuous mode
[  424.988926] br0: port 3(c3) entered disabled state
[  424.989166] c2 (unregistering): left allmulticast mode
[  424.989195] c2 (unregistering): left promiscuous mode
[  424.989229] br0: port 2(c2) entered disabled state
[  425.015603] sender: left allmulticast mode
[  425.015632] sender: left promiscuous mode
[  425.015665] br0: port 4(sender) entered disabled state